Epieugeosyncline
[地质]后成优地槽
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
I'm so sorry.
十分抱歉！
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。